Doyle Optimist SailDoyle's design department consists of world renowned sailors, coaches and designers from within our international loft network including the likes of Andrew Lechte, Andrew Brown, Lindsay Smith and Daniel Fong, who apply a sophisticated and thorough approach to the design and engineering of sails, making use of advanced design software to design and optimise the sails before they are even built. Doyle Sails has 3 designs in their crosscut sail range: L